Most people land on this page without a genre decided, and in Perth that is a reasonable place to start, because the same musicians play across several of them. A five-piece listed as a party band, a corporate band and a wedding band is usually one group of people who change the set and the clothes depending on who booked them. The label is a filter, not a fact.
What does not change is that this is a closed market. Almost nobody flies an act across the Nullarbor for a private function, so the list below is genuinely the pool. That makes booking early worth more here than it does in a city where a late replacement is a phone call away.
Top picks are the acts in this category in Perth, with the most visible client reviews first, then rating; premium listings break remaining ties.
Count the chairs first. Each musician is a person giving up a night, so the gap between a three-piece and a six-piece is a real one, and size changes the sound more than any other decision you make. Hours, travel and whether the group brings a sound system that suits your room fill in the rest. The from-prices on this page are what Perth bands are quoting today.
Start with the room and the crowd rather than the style, because in Perth the same players cover several categories anyway. Describe the age range, the headcount and whether people will be seated or standing, and let two or three bands tell you what they would play. Their answers will narrow it faster than reading genre labels will.
Regularly, and Margaret River and Dunsborough weddings are standard work for the established groups. What changes is that a three hour drive each way with a trailer usually means accommodation as well as travel in the quote. Ask for that to be itemised so you can compare a country booking against a metro one honestly.
Further than you would on the east coast, because there is no interstate backup if your first choice is gone. For a spring or December Saturday, the middle of the year is not early. Winter dates are where the choice and the negotiating room actually are.
Tell them the headcount, the room and roughly what the evening does, and ask which of their lineups fits. When a Perth band talks you down to the smaller, cheaper version, that is usually the right answer and a good sign about the band.
In a small market the substitute pool is small too, and the established groups have specific names who already know the set. A band that answers that question instantly has been working long enough to have needed the answer.
If a chunk of your guests works a swing roster, a Saturday will only ever reach some of them. Plenty of Perth events run midweek for exactly that reason, and midweek is also when the better bands have room in the diary.